package com.example.tests;

import java.io.File;
import java.util.Iterator;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;
import static com.example.tests.GroupDataGenerator.loadGroupsFromXmlFile;

import com.example.utils.SortedListOf;

public class GroupCreationTests extends TestBase {
	
	@DataProvider
	public Iterator<Object[]> groupsFromFile() throws Exception{
		return wrapGroupsForDataProvider(loadGroupsFromXmlFile(new File("groups.xml"))).iterator();
	}
	
@Test(dataProvider = "groupsFromFile")
  public void testGroupCreationWithValidData(GroupData group) throws Exception {
    // save old state
	  SortedListOf<GroupData> oldList = app.getModel().getGroups();
    
    // actions
    app.getGroupHelper().createGroup(group);
    
    // save new state
    SortedListOf<GroupData> newList = app.getModel().getGroups();
    
    // compare states
    assertThat(newList, equalTo(oldList));
    
    // compare model to implementation
	if (wantToCheck()) {
		if ("yes".equals(app.getProperty("check.db"))){
			assertThat(app.getModel().getGroups(), equalTo(app.getHibernateHelper().listGroups()));
		}
		if ("yes".equals(app.getProperty("check.ui"))){
			assertThat(app.getModel().getGroups(), equalTo(app.getGroupHelper().getUiGroups()));
		}
	}
  }  
}
